limited signal
英 [ˈlɪmɪtɪd ˈsɪɡnəl]
美 [ˈlɪmɪtɪd ˈsɪɡnəl]
网络 限幅信号
双语例句
- Taking Scanning Detection Systems ( SDS) as detection systems of contrast, under detector noise limited circumstances, and considering the effects of signal processors, the NETD for extended sources and the range equation for point source targets of SDS were derived.
将扫描探测系统视为对比度探测系统，考虑到信号处理系统的影响，推导了探测器噪声限下扫描探测系统对扩展源的噪声等效温差和对点源目标的作用距离方程； - But limited by frequency band and signal/ noise ratio of raw seismic data, we only get the record of bandlimited wavelets.
但由于受原始数据的频带和信噪比的限制，最终只能得到具有带限子波的记录。 - According to the phase-detecting principle used in stick-slip measurement, the initial phase, phase difference, phase-modulation rate and frequency estimation may be obtained in a limited length of modulating signal.
爬行测量中应用的检相原理，可以提取有限长度调制信号的初相、相位差、相位调制量和估计频率。 - Since the choice of dictionaries is not limited, the sparse decomposition provides extremely flexible signal representations.
由于原子库的冗余性，稀疏分解得到信号更加灵活的表示。 - In the a high frame rate ( HFR) ultrasonic imaging system, the weighting process by limited diffraction beams on echo signal takes the most of the calculation time for constructing an image.
在高帧率超声成像算法中，对回波信号进行有限衍射波束加权处理占用了成像中大部分计算时间。 - Based on Tikhonov's Regularized idea, a new algebraic regularized method of band limited signal is presented in this paper.
基于Tikhonov的正则化思想，提出了带限信号的一种新的代数正则化算法。 - In this paper, a new stable band-limited signal regularized extrapolation algorithm is constructed on basis of the maximum regularization.
基于最大熵正则化构造了一种新的稳定的带限信号正则外推算法。 - In the process of defining wavelet transform, signal length is assumed to be infinite, but the actual signal's length is limited, it is necessary to extend signal length before transform.
在定义小波变换时，信号长度认为是无限长的.但实际的信号是有限长的，所以，在对其进行变换前需将其外延。 - Sampling Theorem for Duration Limited Signal and Its Application to Data Compression
一个时限信号采样定理及其在数据压缩中的应用 - When cerebral ischemia occurs, the water diffusion in focal ischemic tissue is limited. Hence there will be high signal intensity on DWI and low signal intensity on apparent diffusion coefficient ( ADC) map.
脑缺血时水分子扩散运动受限，DWI上表现为高信号，表观扩散系数（ApparentDiffusionCoefficient，ADC）图上则呈低信号。 - The zoom transform theorem of time-limited signal data
时限信号数据的细化变换原理 - The statistical characteristic of the limited discrete random signal sequence is studied, and the statistical result of the Fourier transformation and the correlativity of the limited discrete random signal sequence and the method to lessen its influence respectively are introduced.
研究了有限长随机序列的统计特性，给出了有限长随机序列的离散傅立叶变换和自相关函数的统计结果及减小其影响的方法。 - Therefore, a new measure is proposed to solve this problem, this measure performs much better than Heisenberg Uncertainty Principle in analyzing limited compact discrete signal with less restriction in Time-Frequency plane.
这里我们推导出一个新的测度，经过分析认为这个测度在对有限紧支离散信号的分析中表现出优于Heisenberg不确定原理的特性，并在时频平面上有较少的约束。 - Seismic location by P wave is realized by means of locating program of single phase when a larger shock occurred in or near the seismic station network and S wave was limited signal.
P波定位方法是针对网内及网缘发生较大震级地震时，地震波记录限幅S难以辩认的情况，而编写的单震相定位程序。 - An Extrapolation Restoration Algorithm for Discrete Band-Limited Signal
降质离散带限信号的外推恢复 - The usual oscillograph is limited in the catch and measure of the signal without the function of memory.
由于通用示波器没有存储功能，因而在单脉冲信号的捕捉和测量中受到极大的限制。 - This de-noise approach for removing pulse-shaped interference is flexible to be used and not limited by sensor output signal waveform. The simulation and test results show the method is an effective tool to de-noise external interference.
这种数字化抑制脉冲干扰的方法，对传感器输出波形无特别要求，灵活性好，测试数据显示本文的方法可以有效的抑制外部脉冲。 - Rolling bearing diagnosis is limited on the spot and its signal is particular, for example special drive installation for bearing outer lane, changeful field environment etc.
列车滚动轴承的故障诊断由于现场条件限制，轴承测试及其信号获取条件具有特殊性：列车滚动轴承主动部件不是轴而是轴承外圈，而且振动特征也不同；现场环境特殊、多变。 - However, the "Electronic bottleneck" still resists in the communication system, which means that the transmission rate is limited by the switch between electrical and optical signal. This is mainly due to the non-all-optical of the optical buffer technology.
但现在通信系统中还存在电子瓶颈，光与电的转换限制着信号传输的速度，这主要是由于光缓存技术的非全光性造成的。 - The optical analog-to-digital conversion is the most promising solutions for the digital signal-processing ( DSP) systems to digitize high-speed analogue signal and to overcome the bottlenecks caused by limited sampling and switching speeds in electronic signal processing circuits.
光学模数转换技术是数字信号处理系统实现高速模拟信号数字化和突破电子瓶颈最有前景的技术。 - As FCC for UWB system, the power spectrum were strictly limited, which leads to the UWB signal design problem.
由于FCC（美国联邦通信委员会）对超宽带系统的功率谱作了严格的限定，这样就引出了UWB信号设计中的难题。 - Traditional researchs held that the pain signals was limited to neurons signal transmission, and glial cells only protected and supported, repaired neurons and not participated in pain signaling.
传统的研究认为痛觉的传导仅限于神经元之间信号传递，而胶质细胞被认为不参与痛觉的信号传导，仅对神经元保护、支持、修复。 - Wideband signal or even ultra-wideband signal is widely used in the array system at present, however, traditional algorithms are only limited to narrowband signal processing.
目前阵列系统广泛应用宽带信号甚至超宽带信号，而传统算法仅局限于处理窄带信号。 - In the process of observation of solar magnetic field, the sun itself enters into the telescope and the effective amount of light related to the magnetic field is very limited. In order to improve SNR ( Signal to Noise Ratio), the captured images must be overlapped.
在太阳磁场观测中，太阳本身进入望远镜的与磁场有关的有效光量是有限的，为了提高信噪比，需要将采集到的图像进行多帧叠加。 - Computer power quality standards based on analysis of the signal, power supply bus through the man-machine interface display, equipment, transformers and power quality parameters important for the more limited the alarm signal on the line reactive power compensation needed to provide raw data.
计算机根据电能质量标准对信号进行分析，通过人机界面显示供电母线、变压器和重要设备的电能质量参数，对越限的信号进行报警，对需要无功补偿的线路提供原始数据。 - Limited to laboratory conditions, signal processing circuits for alcohol-sensor, temperature-sensor and pyroelectric infrared sensor are designed.
在实验室条件下，分别针对温度传感器、红外释热传感器及酒精传感器进行了信号处理电路的设计。 - In this regard, The stability of the previous conclusions are limited to a single signal reconstruction are discussed. There are only a few qualitative conclusions in the reconstruction of the joint signal stability.
在此方面，先前的结论只限于单一信号重构的稳定性讨论，对于联合信号的重构稳定性方面，仅有一些定性的结论。 - Mine laneway is limited non-free space, and signal in the limited space transmission will lead to reflection, scattering phenomenon, and form the multi-path fading influence.
矿井巷道是受限的非自由空间，信号在这受限的空间内传输会发生反射、散射等现象，形成多径衰落效应。 - For the limited recognizable modulation formats of the existing multicarrier signal classification methods, an improved OFDM signal recognition algorithm is put forward.
其中：1、针对现有多载波信号识别方法识别种类有限，提出了一种改进的OFDM信号分类算法。 - However, when the size of the emboli is little or the sample volume is small, the power increased by the emboli may be rather limited. It is necessary to apply advanced signal processing methods to analyze emboli Doppler signals.
然而，当栓子较小或者采样容积选取较大时，采集到的多普勒信号功率增强是十分有限的，因此亟需先进的信号处理方法对多普勒栓子信号进行分析。